DNDS Acid Suppliers, DNDS Acid Manufacturers.
  	
Chemical name: 4,4-Dinitrostilbene-2,2-disulfonic acid 
Structural formula:  
                
Chemical formula: C14H10N2O10S2 
Molecular weight: 430 
Quality index:
| 
 Item   | 
 Index   | 
| (1)Appearance | orange powder | 
| (2)Binitro acid content(gross dry product)% ≥ | 80.0 | 
| (3)binitrobenzyl compound (gross dry product )% ≤  | 
4.0 | 
| (4)Other organic impurities(gross dry product )% ≤ | 2.0 | 
| (5)Inorganic salt(gross dry product )% ≤ | 10.0 | 
| (6)Water insolubles(gross dry product)% ≤ | 1.0 | 
Main use: it is an intermediate of dyes, can be used to manufacture DSD acid.
Packing: 40kg plastic woven bag or upon clients' request.
Company:  | 
                        Yanshi Dongyuan Chemical Co.,Ltd. | 
E-mail:  | 
                        chem@netsun.com | 
Address:  | 
                        Dongdajiao Industrial Zone, Dianzhuang, Yanshi, Luoyang, Henan Province | 
Zip Code:  | 
                        471942 |